ugonna1992 ugonna1992

24-03-2021
Mathematics

contestada

Use elimination to solve for x and y:
5x + 4y = 23
x - 4y = - 5
O (3, 2)
O (2,3)
0 (7. – 3)
0 (7,3)

Respuesta :

alimkhubaib21 alimkhubaib21

24-03-2021

Step-by-step explanation:

5x+4y=23

= x+y=23-5-4

=x+y=14

l think this is correct!!!!!

Answer Link

TcScott17 TcScott17

24-03-2021

5x +4y=23
-5(x-4y=-5)

5x+4y=23
+(-5x+20y=25)

24y=48
y=2

Now plug y value into one of the equations and solve for x

X-4(2)=-5
X-8=-5
X=3

So the answer is (3,2)

Answer Link

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